<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
  <script src="../00.依赖包/react.development.js"></script>
  <script src="../00.依赖包/react-dom.development.js"></script>
  <script src="../00.依赖包/babel.min.js"></script>
  <script src="../00.依赖包/prop-types.js"></script>
</head>

<body>
  <div id="app"></div>
  <script type="text/babel">
    /* 
      通过ref方式收集表单数据
    
    */
    class App extends React.Component{
        render(){
          return (
            <div>
              姓名: <input type="text" ref={c => this.nameEle = c}/>
              <br/>
              年龄: <input type="text" ref={c => this.ageEle = c}/>
              <br/>
              爱好: <input type="text" ref={c => this.hobbyEle = c}/>  
              <br/>
              <button onClick={this.handle}>提交</button>  
            </div>
          )
        }

        handle = () => {
          console.log(this,'this');
          const name = this.nameEle.value;
          const age = this.ageEle.value;
          const hobby = this.hobbyEle.value;

          console.log(name,age,hobby);
        }
    }

    

    const root = ReactDOM.createRoot(document.getElementById('app'));
    root.render(<App/>)

  </script>
</body>

</html>